Dec 03 11:10:08.928 INFO testing gauss-0.5.0 against 1.30.1 for beta-1.31-5
Dec 03 11:10:08.928 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 11:10:09.393 INFO [stdout] 6cb0196f61a8d41c2166e064758a3eaaaeb72181954595cc0f685d268d8ae368
Dec 03 11:10:09.395 INFO running `"docker" "start" "-a" "6cb0196f61a8d41c2166e064758a3eaaaeb72181954595cc0f685d268d8ae368"`
Dec 03 11:10:11.866 INFO [stderr] usermod: no changes
Dec 03 11:10:12.233 INFO [stderr]    Compiling rc v0.1.1
Dec 03 11:10:12.233 INFO [stderr]    Compiling cssparser v0.6.0
Dec 03 11:10:12.243 INFO [stderr]    Compiling redis v0.5.4
Dec 03 11:10:12.243 INFO [stderr]    Compiling string_cache v0.2.29
Dec 03 11:10:12.247 INFO [stderr]    Compiling html5ever v0.5.4
Dec 03 11:10:12.247 INFO [stderr]    Compiling cookie v0.2.5
Dec 03 11:10:12.247 INFO [stderr]    Compiling irc v0.11.8
Dec 03 11:10:23.874 INFO [stderr]    Compiling hyper v0.9.18
Dec 03 11:10:30.491 INFO [stderr]    Compiling selectors v0.12.0
Dec 03 11:10:39.841 INFO [stderr]    Compiling rustfm v0.1.2
Dec 03 11:10:41.484 INFO [stderr]    Compiling kuchiki v0.3.4
Dec 03 11:10:43.095 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 11:10:43.095 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustfm-0.1.2/src/lib.rs:1:1
Dec 03 11:10:43.095 INFO [stderr]   |
Dec 03 11:10:43.095 INFO [stderr] 1 | #![feature(custom_derive, plugin)]
Dec 03 11:10:43.095 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 11:10:43.095 INFO [stderr] 
Dec 03 11:10:43.095 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 11:10:43.095 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustfm-0.1.2/src/lib.rs:2:1
Dec 03 11:10:43.095 INFO [stderr]   |
Dec 03 11:10:43.095 INFO [stderr] 2 | #![feature(proc_macro)]
Dec 03 11:10:43.095 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 11:10:43.095 INFO [stderr] 
Dec 03 11:10:43.095 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 11:10:43.095 INFO [stderr] 
Dec 03 11:10:43.095 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 11:10:43.102 INFO [stderr] error: Could not compile `rustfm`.
Dec 03 11:10:43.102 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 11:10:46.930 INFO [stderr] error: build failed
Dec 03 11:10:46.932 INFO [stderr] su: No module specific data is present
Dec 03 11:10:47.416 INFO running `"docker" "inspect" "6cb0196f61a8d41c2166e064758a3eaaaeb72181954595cc0f685d268d8ae368"`
Dec 03 11:10:47.589 INFO running `"docker" "rm" "-f" "6cb0196f61a8d41c2166e064758a3eaaaeb72181954595cc0f685d268d8ae368"`
Dec 03 11:10:47.801 INFO [stdout] 6cb0196f61a8d41c2166e064758a3eaaaeb72181954595cc0f685d268d8ae368